/Engine/Plugins/MovieScene/ActorSequence/Source/ActorSequence/Public/ActorSequence.h
Sequences can determine whether they support a particular track type
virtual ETrackSupport IsTrackSupported ( [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< class [UMovieSceneTrack](API\Runtime\MovieScene\UMovieSceneTrack) > InTrackClass ) const